I have been using this great tool (http://sortmyphotostream.michael.tyson.id.au/) to sort my Flickr photostream by the date of the photo rather than the date uploaded. It seems to have disappeared recently. Are there other tools available that will do this?

Thanks for the link. I remember now seeing that app when I first searched for a solution last year and found Michael Tyson's app. It isn't quite as good because it won't sort photos created before the Flickr account was create (less of a problem for me now) and only does 100 at a time (more of a problem for me now). It is a good alternative though and got the job done, thanks for the answer!
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g .Feb 12 '13 at 21:26